+447412859764
Sales@saprexme.com
The R450 Genuine Leroy Somer AVR includes advanced protections such as over-excitation limitation and voltage sensing loss and also features voltage droop for Genset parallel operation. The R450 is also equipped with a Load Acceptance Module (LAM) to handle load impact events.
Designed to equip alternators with SHUNT, permanent magnet (PMG), or AREP (auxiliary winding) excitation types from LSA40 to LSA50.2 and TAL46 to TAL49.
These are brand new, GENUINE LEROY SOMER AVRs straight from the factory.
| Technology | Analog |
| Excitation mode | SHUNT, AREP, PMG |
| Rated excitation current | 6 A |
| Regulation accuracy (+/- %) | 0.5 % |
| Frequency range | 10 – 100 Hz |
| Voltage setting range (+/- %) | 5 % |
| kU/F limitation | K = 1&2 |
| Loss of sensing voltage | ✓ |
| Over-excitation limitation | ✓ |
| Short circuit current limitation | ✓ |
| Voltage droop | ✓ |
| Parallel operation between alternators | ✓ |
| Load Acceptance Module (LAM) | ✓ |
All Generators is a one stop shop for all your Generator needs.
The R450 Genuine Leroy Somer AVR includes advanced protections such as over-excitation limitation and voltage sensing loss and also features voltage droop for Genset parallel operation. The R450 is also equipped with a Load Acceptance Module (LAM) to handle load impact events.
Designed to equip alternators with SHUNT, permanent magnet (PMG), or AREP (auxiliary winding) excitation types from LSA40 to LSA50.2 and TAL46 to TAL49.
These are brand new, GENUINE LEROY SOMER AVRs straight from the factory.
| Technology | Analog |
| Excitation mode | SHUNT, AREP, PMG |
| Rated excitation current | 6 A |
| Regulation accuracy (+/- %) | 0.5 % |
| Frequency range | 10 – 100 Hz |
| Voltage setting range (+/- %) | 5 % |
| kU/F limitation | K = 1&2 |
| Loss of sensing voltage | ✓ |
| Over-excitation limitation | ✓ |
| Short circuit current limitation | ✓ |
| Voltage droop | ✓ |
| Parallel operation between alternators | ✓ |
| Load Acceptance Module (LAM) | ✓ |
All Generators is a one stop shop for all your Generator needs.
Sparex middle East stands as an industry leader in Spare parts and services, delivering unmatched expertise, advanced solutions, and proven reliability. Our commitment to innovation and excellence has positioned us at the forefront of the sector, trusted by clients who demand the highest standards in performance and safety.
At Sparex middle East, quality isn’t just a promise, it’s our standard. Every service we provide is backed by strict inspection, reliable performance, and industry-approved practices to ensure your marine operations run smoothly and safely. With our Quality Guarantee, you can trust that your vessel is in expert hands.
At Sparex Middle East, we operate with high expectations in everything we do. From service precision to customer support, our standards are set to exceed industry benchmarks. We consistently push for excellence to ensure every client receives dependable, top-tier marine solutions.

Have a question? We’re here to help. Send us a message and we’ll get be in touch.